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Searched refs:lat (Results 1 – 25 of 32) sorted by relevance

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/Linux-v4.19/kernel/
Dlatencytop.c94 struct latency_record *lat) in account_global_scheduler_latency() argument
116 unsigned long record = lat->backtrace[q]; in account_global_scheduler_latency()
129 latency_record[i].time += lat->time; in account_global_scheduler_latency()
130 if (lat->time > latency_record[i].max) in account_global_scheduler_latency()
131 latency_record[i].max = lat->time; in account_global_scheduler_latency()
141 memcpy(&latency_record[i], lat, sizeof(struct latency_record)); in account_global_scheduler_latency()
148 struct latency_record *lat) in store_stacktrace() argument
154 trace.entries = &lat->backtrace[0]; in store_stacktrace()
179 struct latency_record lat; in __account_scheduler_latency() local
190 memset(&lat, 0, sizeof(lat)); in __account_scheduler_latency()
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/Linux-v4.19/Documentation/trace/
Dhistogram.rst1792 with 3 fields: lat, pid, and prio. Each of those fields is simply a
1796 u64 lat; \
1805 wakeup_latency u64 lat; pid_t pid; int prio
1810 # echo '!wakeup_latency u64 lat pid_t pid int prio' >> \
1822 # echo 'hist:keys=pid,prio,lat.log2:sort=pid,lat' >> \
1918 # echo 'wakeup_latency u64 lat; pid_t pid; int prio' >> \
1941 # echo 'hist:keys=pid,prio,lat:sort=pid,lat' >> \
2031 # echo 'latency u64 lat' > synthetic_events
2033 …# echo 'hist:keys=common_pid:lat=common_timestamp.usecs-$ts0:onmatch(ftrace.print).latency($lat) i…
2034 # echo 'hist:keys=lat,common_pid:sort=lat' > events/synthetic/latency/trigger
[all …]
/Linux-v4.19/drivers/s390/scsi/
Dzfcp_sysfs.c381 struct zfcp_latencies *lat = &zfcp_sdev->latencies; \
385 spin_lock_bh(&lat->lock); \
386 fsum = lat->_name.fabric.sum * adapter->timer_ticks; \
387 fmin = lat->_name.fabric.min * adapter->timer_ticks; \
388 fmax = lat->_name.fabric.max * adapter->timer_ticks; \
389 csum = lat->_name.channel.sum * adapter->timer_ticks; \
390 cmin = lat->_name.channel.min * adapter->timer_ticks; \
391 cmax = lat->_name.channel.max * adapter->timer_ticks; \
392 cc = lat->_name.counter; \
393 spin_unlock_bh(&lat->lock); \
[all …]
Dzfcp_fsf.c1989 static void zfcp_fsf_update_lat(struct fsf_latency_record *lat_rec, u32 lat) in zfcp_fsf_update_lat() argument
1991 lat_rec->sum += lat; in zfcp_fsf_update_lat()
1992 lat_rec->min = min(lat_rec->min, lat); in zfcp_fsf_update_lat()
1993 lat_rec->max = max(lat_rec->max, lat); in zfcp_fsf_update_lat()
1999 struct latency_cont *lat = NULL; in zfcp_fsf_req_trace() local
2024 lat = &zfcp_sdev->latencies.read; in zfcp_fsf_req_trace()
2029 lat = &zfcp_sdev->latencies.write; in zfcp_fsf_req_trace()
2032 lat = &zfcp_sdev->latencies.cmd; in zfcp_fsf_req_trace()
2036 if (lat) { in zfcp_fsf_req_trace()
2038 zfcp_fsf_update_lat(&lat->channel, lat_in->channel_lat); in zfcp_fsf_req_trace()
[all …]
/Linux-v4.19/include/trace/events/
Dwbt.h60 TP_PROTO(struct backing_dev_info *bdi, unsigned long lat),
62 TP_ARGS(bdi, lat),
66 __field(unsigned long, lat)
71 __entry->lat = div_u64(lat, 1000);
75 (unsigned long long) __entry->lat)
/Linux-v4.19/arch/arm/common/
Dit8152.c334 u8 lat; in pcibios_set_master() local
342 pci_read_config_byte(dev, PCI_LATENCY_TIMER, &lat); in pcibios_set_master()
343 if (lat < 16) in pcibios_set_master()
344 lat = (64 <= pcibios_max_latency) ? 64 : pcibios_max_latency; in pcibios_set_master()
345 else if (lat > pcibios_max_latency) in pcibios_set_master()
346 lat = pcibios_max_latency; in pcibios_set_master()
350 pci_name(dev), lat); in pcibios_set_master()
351 pci_write_config_byte(dev, PCI_LATENCY_TIMER, lat); in pcibios_set_master()
/Linux-v4.19/tools/testing/selftests/timers/
D.gitignore7 mqueue-lat
9 nsleep-lat
15 set-timer-lat
DMakefile7 TEST_GEN_PROGS = posix_timers nanosleep nsleep-lat set-timer-lat mqueue-lat \
/Linux-v4.19/tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/
DEventClass.py89 status, dla, dse, lat = struct.unpack('QQQQ', tmp_buf)
93 self.lat = lat
/Linux-v4.19/arch/parisc/kernel/
Dpci.c159 u8 lat; in pcibios_set_master() local
162 pci_read_config_byte(dev, PCI_LATENCY_TIMER, &lat); in pcibios_set_master()
163 if (lat >= 16) return; in pcibios_set_master()
/Linux-v4.19/include/linux/usb/
Dpd_vdo.h181 #define VDO_CABLE(hw, fw, cbl, gdr, lat, term, tx1d, tx2d, rx1d, rx2d, cur,\ argument
184 | (gdr) << 17 | ((lat) & 0x7) << 13 | ((term) & 0x3) << 11 \
/Linux-v4.19/drivers/staging/greybus/
Dloopback.c787 u32 lat; in gb_loopback_calculate_latency_stats() local
790 lat = gb_loopback_nsec_to_usec_latency(gb->elapsed_nsecs); in gb_loopback_calculate_latency_stats()
793 gb_loopback_update_stats(&gb->latency, lat); in gb_loopback_calculate_latency_stats()
796 kfifo_in(&gb->kfifo_lat, (unsigned char *)&lat, sizeof(lat)); in gb_loopback_calculate_latency_stats()
808 u32 lat; in gb_loopback_calculate_stats() local
819 lat = gb_loopback_nsec_to_usec_latency(nlat); in gb_loopback_calculate_stats()
821 gb_loopback_throughput_update(gb, lat); in gb_loopback_calculate_stats()
822 gb_loopback_requests_update(gb, lat); in gb_loopback_calculate_stats()
/Linux-v4.19/arch/alpha/kernel/
Dpci.c276 u8 lat; in pcibios_set_master() local
277 pci_read_config_byte(dev, PCI_LATENCY_TIMER, &lat); in pcibios_set_master()
278 if (lat >= 16) return; in pcibios_set_master()
/Linux-v4.19/drivers/media/pci/bt8xx/
Dbt878.c417 unsigned char lat; in bt878_probe() local
451 pci_read_config_byte(dev, PCI_LATENCY_TIMER, &lat); in bt878_probe()
458 bt->irq, lat, bt->bt878_adr); in bt878_probe()
/Linux-v4.19/drivers/ssb/
Ddriver_pcicore.c278 u8 lat; in ssb_pcicore_fixup_pcibridge() local
300 lat = 168; in ssb_pcicore_fixup_pcibridge()
303 pci_name(dev), lat); in ssb_pcicore_fixup_pcibridge()
304 pci_write_config_byte(dev, PCI_LATENCY_TIMER, lat); in ssb_pcicore_fixup_pcibridge()
/Linux-v4.19/arch/ia64/kernel/
Dsmpboot.c286 long lat; /* estimate of itc adjustment latency */ in ia64_sync_itc() member
330 t[i].lat = adjust_latency/4; in ia64_sync_itc()
339 t[i].rt, t[i].master, t[i].diff, t[i].lat); in ia64_sync_itc()
/Linux-v4.19/tools/perf/scripts/python/
Devent_analyzing_sample.py102 event.ip, event.status, event.dse, event.dla, event.lat))
/Linux-v4.19/kernel/trace/
Dtrace_functions_graph.c1338 int lat = tr->trace_flags & TRACE_ITER_LATENCY_FMT; in __print_graph_headers_flags() local
1340 if (lat) in __print_graph_headers_flags()
1351 if (lat) in __print_graph_headers_flags()
1365 if (lat) in __print_graph_headers_flags()
/Linux-v4.19/drivers/atm/
Dambassador.c2175 unsigned char lat; in setup_pci_dev() local
2181 pci_read_config_byte (pci_dev, PCI_LATENCY_TIMER, &lat); in setup_pci_dev()
2184 pci_lat = (lat < MIN_PCI_LATENCY) ? MIN_PCI_LATENCY : lat; in setup_pci_dev()
2186 if (lat != pci_lat) { in setup_pci_dev()
2188 lat, pci_lat); in setup_pci_dev()
Dhorizon.c2672 unsigned char lat; in hrz_probe() local
2727 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &lat); in hrz_probe()
2730 "changing", lat, pci_lat); in hrz_probe()
2732 } else if (lat < MIN_PCI_LATENCY) { in hrz_probe()
2734 "increasing", lat, MIN_PCI_LATENCY); in hrz_probe()
/Linux-v4.19/arch/x86/events/intel/
Dds.c217 u64 status, dla, dse, lat; member
229 u64 status, dla, dse, lat; member
258 u64 status, dla, dse, lat; member
1183 data->weight = pebs->lat; in setup_pebs_sample_data()
/Linux-v4.19/arch/sparc/kernel/
Dsmp_64.c212 long lat; /* estimate of itc adjustment latency */ in smp_synchronize_tick_client() member
241 t[i].lat = adjust_latency/4; in smp_synchronize_tick_client()
250 t[i].rt, t[i].master, t[i].diff, t[i].lat); in smp_synchronize_tick_client()
/Linux-v4.19/tools/lib/traceevent/
Devent-parse.h789 static inline void tep_set_latency_format(struct tep_handle *pevent, int lat) in tep_set_latency_format() argument
791 pevent->latency_format = lat; in tep_set_latency_format()
/Linux-v4.19/block/
Dblk-throttle.c2287 unsigned long lat; in blk_throtl_bio_endio() local
2303 lat = finish_time - start_time; in blk_throtl_bio_endio()
2307 bio_op(bio), lat); in blk_throtl_bio_endio()
2309 if (tg->latency_target && lat >= tg->td->filtered_latency) { in blk_throtl_bio_endio()
2316 if (lat > threshold) in blk_throtl_bio_endio()
/Linux-v4.19/drivers/pci/
Dpci.c4024 u8 lat; in pcibios_set_master() local
4030 pci_read_config_byte(dev, PCI_LATENCY_TIMER, &lat); in pcibios_set_master()
4031 if (lat < 16) in pcibios_set_master()
4032 lat = (64 <= pcibios_max_latency) ? 64 : pcibios_max_latency; in pcibios_set_master()
4033 else if (lat > pcibios_max_latency) in pcibios_set_master()
4034 lat = pcibios_max_latency; in pcibios_set_master()
4038 pci_write_config_byte(dev, PCI_LATENCY_TIMER, lat); in pcibios_set_master()

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